20075657002 has 4 divisors (see below), whose sum is σ = 30113485506. Its totient is φ = 10037828500.

The previous prime is 20075656999. The next prime is 20075657023.

It is a happy number.

20075657002 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18897725961 + 1177931041 = 137469^2 + 34321^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018914249 + ... + 5018914252.

Almost surely, 2^20075657002 is an apocalyptic number.

20075657002 is a deficient number, since it is larger than the sum of its proper divisors (10037828504).

20075657002 is a wasteful number, since it uses less digits than its factorization.

20075657002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037828503.

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 20075657002 in words is "twenty billion, seventy-five million, six hundred fifty-seven thousand, two".